Eco-friendly chairmat with lip is better for the environment and better for you. PVC-free, BPA-free chairmat is odorless and completely free of any toxic chemicals so it does not induce or irritate allergies. 100 percent recyclable mat is made from a high percentage of post-consumer recycled PET plastic, including water bottles, soda bottles and packaging. Durable, polyethylene construction won't curl, crack or discolor. Smooth back is designed for use with hard floors, such as hardwood, vinyl, linoleum or tile.